- Adapted indenation to new agreed upon system
- Added support for second generation scriptcontext based counter
This commit is contained in:
koennecke
464
dynstring.c
464
dynstring.c
@ -12,262 +12,254 @@
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#include <math.h>
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#include "dynstring.h"
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#define DYNMAGIC 27031998
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#define DYNMAGIC 27031998
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/*--------------------------------------------------------------------------*/
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typedef struct __DynString {
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int iMAGIC;
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char *pBuffer;
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int iTextLen;
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int iBufferSize;
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int iResize;
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} DynString;
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typedef struct __DynString {
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int iMAGIC;
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char *pBuffer;
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int iTextLen;
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int iBufferSize;
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int iResize;
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} DynString;
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/*--------------------------------------------------------------------------*/
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pDynString CreateDynString(int iInitial, int iResize)
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{
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pDynString pNew = NULL;
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if(iInitial <= 0)
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iInitial = 512;
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if(iResize <= 0)
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iResize = 512;
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/* new memory */
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pNew = (pDynString)malloc(sizeof(DynString));
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if(!pNew)
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{
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return NULL;
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}
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memset(pNew,0,sizeof(DynString));
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pNew->pBuffer = (char *)malloc(iInitial*sizeof(char));
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if(!pNew->pBuffer)
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{
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free(pNew);
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return NULL;
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}
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memset(pNew->pBuffer,0,iInitial*sizeof(char));
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/* initialise the rest */
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pNew->iMAGIC = DYNMAGIC;
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pNew->iBufferSize = iInitial;
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pNew->iResize = iResize;
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pNew->iTextLen = 0;
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return pNew;
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}
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pDynString CreateDynString(int iInitial, int iResize)
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{
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pDynString pNew = NULL;
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if (iInitial <= 0)
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iInitial = 512;
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if (iResize <= 0)
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iResize = 512;
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/* new memory */
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pNew = (pDynString) malloc(sizeof(DynString));
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if (!pNew) {
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return NULL;
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}
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memset(pNew, 0, sizeof(DynString));
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pNew->pBuffer = (char *) malloc(iInitial * sizeof(char));
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if (!pNew->pBuffer) {
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free(pNew);
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return NULL;
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}
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memset(pNew->pBuffer, 0, iInitial * sizeof(char));
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/* initialise the rest */
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pNew->iMAGIC = DYNMAGIC;
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pNew->iBufferSize = iInitial;
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pNew->iResize = iResize;
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pNew->iTextLen = 0;
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return pNew;
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}
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/*--------------------------------------------------------------------------*/
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static int Resize(pDynString self, int iRequested)
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{
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char *pNewBuffer;
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int iNewSize;
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if(iRequested < self->iBufferSize)
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{
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return 1;
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}
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/* get new data space */
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iNewSize = iRequested + self->iResize;
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pNewBuffer = (char *)malloc(iNewSize *sizeof(char));
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if(!pNewBuffer)
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{
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return 0;
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}
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memset(pNewBuffer,0,iNewSize);
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/* copy data */
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memcpy(pNewBuffer,self->pBuffer,self->iTextLen);
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/* swap things around */
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if(self->pBuffer)
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{
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free(self->pBuffer);
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}
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self->pBuffer = pNewBuffer;
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self->iBufferSize = iNewSize;
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return 1;
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}
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static int Resize(pDynString self, int iRequested)
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{
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char *pNewBuffer;
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int iNewSize;
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if (iRequested < self->iBufferSize) {
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return 1;
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}
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/* get new data space */
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iNewSize = iRequested + self->iResize;
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pNewBuffer = (char *) malloc(iNewSize * sizeof(char));
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if (!pNewBuffer) {
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return 0;
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}
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memset(pNewBuffer, 0, iNewSize);
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/* copy data */
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memcpy(pNewBuffer, self->pBuffer, self->iTextLen);
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/* swap things around */
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if (self->pBuffer) {
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free(self->pBuffer);
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}
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self->pBuffer = pNewBuffer;
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self->iBufferSize = iNewSize;
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return 1;
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}
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/*--------------------------------------------------------------------------*/
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void DeleteDynString(pDynString self)
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{
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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if(self->pBuffer)
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free(self->pBuffer);
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free(self);
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}
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void DeleteDynString(pDynString self)
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{
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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if (self->pBuffer)
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free(self->pBuffer);
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free(self);
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}
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/*--------------------------------------------------------------------------*/
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int DynStringClear(pDynString self)
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{
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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self->iTextLen = 0;
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memset(self->pBuffer,0,self->iBufferSize);
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return 1;
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}
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int DynStringClear(pDynString self)
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{
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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self->iTextLen = 0;
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memset(self->pBuffer, 0, self->iBufferSize);
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return 1;
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}
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/*-------------------------------------------------------------------------*/
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int DynStringCopy(pDynString self, char *pText)
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{
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int iRequested, iRet;
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int DynStringCopy(pDynString self, char *pText)
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{
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int iRequested, iRet;
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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iRequested = strlen(pText);
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if(iRequested >= self->iBufferSize)
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{
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iRet = Resize(self,iRequested);
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if(!iRet)
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{
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return 0;
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}
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}
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else /* safety: remove rubbish */
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{
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memset(self->pBuffer,0,self->iBufferSize*sizeof(char));
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}
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strcpy(self->pBuffer,pText);
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self->iTextLen = iRequested;
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return 1;
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}
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/*--------------------------------------------------------------------------*/
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int DynStringConcat(pDynString self, char *pText)
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{
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int iRequested, iRet;
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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iRequested = strlen(pText) + self->iTextLen;
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if(iRequested >= self->iBufferSize)
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{
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iRet = Resize(self,iRequested);
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if(!iRet)
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{
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return 0;
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}
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}
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strcat(self->pBuffer,pText);
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self->iTextLen = iRequested;
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return 1;
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}
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/*--------------------------------------------------------------------------*/
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int DynStringConcatChar(pDynString self, char c)
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{
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int iRequested, iRet;
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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iRequested = self->iTextLen + 1;
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if(iRequested >= self->iBufferSize)
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{
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iRet = Resize(self,iRequested);
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if(!iRet)
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{
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return 0;
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}
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}
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self->pBuffer[self->iTextLen] = c;
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self->iTextLen++;
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return 1;
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}
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/*---------------------------------------------------------------------------*/
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int DynStringInsert(pDynString self, char *pText, int iPos)
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{
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int iRequested, iRet, iPush, iRest;
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char *pPtr;
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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/* provide space */
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iPush = strlen(pText);
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iRequested = self->iTextLen + iPush;
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if(iRequested >= self->iBufferSize)
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{
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iRet = Resize(self,iRequested);
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if(!iRet)
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{
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return 0;
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}
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}
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/* we need a temporary buffer to hold the backend of the string */
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iRest = self->iTextLen - iPos;
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pPtr = (char *)malloc((iRest+10)*sizeof(char));
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if(!pPtr)
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{
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if(pText == 0){
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return 0;
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}
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iRequested = strlen(pText);
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if (iRequested >= self->iBufferSize) {
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iRet = Resize(self, iRequested);
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if (!iRet) {
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return 0;
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}
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memset(pPtr,0,(iRest+10)*sizeof(char));
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strcpy(pPtr,&self->pBuffer[iPos]);
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/* OK build the result string */
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memset(&self->pBuffer[iPos],0,iRest*sizeof(char));
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strcat(self->pBuffer,pText);
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strcat(self->pBuffer,pPtr);
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free(pPtr);
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self->iTextLen = iRequested;
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return 1;
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}
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} else { /* safety: remove rubbish */
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memset(self->pBuffer, 0, self->iBufferSize * sizeof(char));
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}
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strcpy(self->pBuffer, pText);
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self->iTextLen = iRequested;
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return 1;
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}
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/*--------------------------------------------------------------------------*/
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int DynStringReplace(pDynString self, char *pText, int iPos)
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{
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int iRequested, iRet;
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int DynStringConcat(pDynString self, char *pText)
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{
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int iRequested, iRet;
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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iRequested = strlen(pText) + iPos;
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if(iRequested >= self->iBufferSize)
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{
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iRet = Resize(self,iRequested);
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if(!iRet)
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{
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return 0;
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}
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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iRequested = strlen(pText) + self->iTextLen;
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if (iRequested >= self->iBufferSize) {
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iRet = Resize(self, iRequested);
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if (!iRet) {
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return 0;
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}
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}
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memcpy(&self->pBuffer[iPos],pText,strlen(pText)*sizeof(char));
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self->iTextLen = strlen(self->pBuffer);
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return 1;
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}
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/*---------------------------------------------------------------------------*/
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char *GetCharArray(pDynString self)
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{
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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strcat(self->pBuffer, pText);
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self->iTextLen = iRequested;
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return 1;
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}
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return self->pBuffer;
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}
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/*---------------------------------------------------------------------------*/
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int GetDynStringLength(pDynString self)
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{
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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/*--------------------------------------------------------------------------*/
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int DynStringConcatChar(pDynString self, char c)
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{
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int iRequested, iRet;
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return self->iTextLen;
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}
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/*---------------------------------------------------------------------------*/
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int DynStringBackspace(pDynString self)
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{
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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if(self->iTextLen > 0)
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{
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self->pBuffer[self->iTextLen - 1] = '\0';
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self->iTextLen--;
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iRequested = self->iTextLen + 1;
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if (iRequested >= self->iBufferSize) {
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iRet = Resize(self, iRequested);
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if (!iRet) {
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return 0;
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}
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return 1;
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}
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}
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self->pBuffer[self->iTextLen] = c;
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self->iTextLen++;
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return 1;
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}
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/*---------------------------------------------------------------------------*/
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int DynStringInsert(pDynString self, char *pText, int iPos)
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{
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int iRequested, iRet, iPush, iRest;
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char *pPtr;
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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/* provide space */
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iPush = strlen(pText);
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iRequested = self->iTextLen + iPush;
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if (iRequested >= self->iBufferSize) {
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iRet = Resize(self, iRequested);
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if (!iRet) {
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return 0;
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}
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}
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/* we need a temporary buffer to hold the backend of the string */
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iRest = self->iTextLen - iPos;
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pPtr = (char *) malloc((iRest + 10) * sizeof(char));
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if (!pPtr) {
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return 0;
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}
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memset(pPtr, 0, (iRest + 10) * sizeof(char));
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strcpy(pPtr, &self->pBuffer[iPos]);
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/* OK build the result string */
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memset(&self->pBuffer[iPos], 0, iRest * sizeof(char));
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strcat(self->pBuffer, pText);
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strcat(self->pBuffer, pPtr);
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free(pPtr);
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self->iTextLen = iRequested;
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return 1;
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}
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/*--------------------------------------------------------------------------*/
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int DynStringReplace(pDynString self, char *pText, int iPos)
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{
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int iRequested, iRet;
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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iRequested = strlen(pText) + iPos;
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if (iRequested >= self->iBufferSize) {
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iRet = Resize(self, iRequested);
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if (!iRet) {
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return 0;
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}
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}
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memcpy(&self->pBuffer[iPos], pText, strlen(pText) * sizeof(char));
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self->iTextLen = strlen(self->pBuffer);
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return 1;
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}
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/*---------------------------------------------------------------------------*/
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char *GetCharArray(pDynString self)
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{
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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return self->pBuffer;
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}
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/*---------------------------------------------------------------------------*/
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int GetDynStringLength(pDynString self)
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{
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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return self->iTextLen;
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}
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/*---------------------------------------------------------------------------*/
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int DynStringBackspace(pDynString self)
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{
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assert(self);
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assert(self->iMAGIC == DYNMAGIC);
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if (self->iTextLen > 0) {
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self->pBuffer[self->iTextLen - 1] = '\0';
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self->iTextLen--;
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}
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return 1;
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}
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